Study shows men just as likely to be depressed as women
latimes.com
latimes.com
That seems like it would border on the uselessly broad. Depression by that standard would mean not being happy and calm all the time.
This ranges from normal and functioning, with occasional negative feelings within the normal (i.e. not depressed), to delibitating symptoms: Staying in bed for days straight, finding no joy in any activity, never sleeping properly, unable to relate to the people around you. Depression is usually diagnosed if you have been feeling like this for more than two weeks straight. Psychiatry is not natural science, but the psychiatrists do have their methodology in order.
I was quite depressed for a while, job problems, social problems etc. I didn't go cry or something. My closest friends noticed it but that is all. I think men (including me) are probably less likely to admit/show his depression. I am no doctor though, so I might be wrong
See, for example: